baber/WOPTO huggingface dataset:
Patent JP-S56155875-A (JP)
Title: Receiver for monopulse measuring angle
Inventor: KOSHIO TATSUYOSHI
IPC: G01S13/68
Filed: 1980-05-06
Abstract: PURPOSE:to make a titled device simple and highly reliable by combining and analyzing the respective received signals corresponding to the directivity of an antenna to orthogonal vector and performing prescribed processing. CONSTITUTION:After the respective received signals corresponding to the directivity of an antenna 20 are converted to IF signals SIGMA and DELTA with mixer amplifiers 2, 3, the signal ¦SIGMA¦ having undergone amplitude limitation 8 is converted to the two orthogonal signals ¦SIGMA¦ and j¦SIGMA¦ by a 90 deg. hybrid 10. These signals are supplied to phase detectors 11, 12 respectively. The IF signals SIGMA and DELTA are combined and analyzed by a 90 deg. hybrid 14, and the one signal SIGMA+jDELTA is amplitude-limited 7 to the signal ¦SIGMA+jDELTA¦ which is supplied to the detector 11, whereby the DELTAE component is demodulated. The other signal DELTA+jSIGMA is amplitude-limited 9 and is supplied to the detector 12, by which the DELTAE component is demodulated. Both DELTAE components are added 13 and are made to the angular error output DELTAE corresponding to the angle shift DELTAtheta from the symmetrical axes of the antenna.
Patent JP-S58178310-A (JP)
Title: Optical fiber array wrought end face working oblique
Inventor: OKIYAMA TADASHI
IPC: G02B6/26
Filed: 1982-04-13
Abstract: PURPOSE:To input the light from a light emitting element at larger quantity into optical fiber by polishing obliquely the end face of a fiber array consisting of an adhesive agent which is injected between a silicon substrate and a pressing glass material and has the refractive index approximately equal to the refractive index of the fiber. CONSTITUTION:Grooves are formed to a silicon substrate 1 by anisotropic etching. Optical fibers are installed in the V-grooves of the substrate 1, and a glass material 3 is pressed thereto. An adhesive material 4 is injected between the substrate and the glass plate to fix both. The adhesive material 4 which has the refractive index approximately equal to the refractive index of the fibers 2 and the plate 3 is used. Then, optical coupling is effected efficiently and easily with a plane socket element or a plane light emitting element, and the light from the light emitting element is inputted at larger quantity to the optical fiber.
Patent JP-H10251187-A (JP)
Title: Production of dimehylolalkanal
Inventor: TAKAHASHI KAZUNARI
IPC: C07C45/72
Filed: 1997-03-14
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound in high yield by carrying out a condensation reaction of an aliphatic aldehyde with formaldehyde. SOLUTION: The condensation reaction of an aliphatic aldehyde represented by the formula R-CH2 -CHO (R is a 1-9C alkyl) with formaldehyde is carried out in the presence of a catalyst and water to afford a dimethylolalkanal represented by the formula. N-Butyraldehyde, etc., are preferred as the aliphatic aldehyde and 1,8-bisdimethylaminonaphthalene, 1,8-diazabicyclo[5.4.0]-7-undecene, 4-dimethylaminopyridine, etc., are used as the catalyst. The formaldehyde is used in an amount of >=2mol, optimally 15-30mol based on the aliphatic aldehyde. Water is used in an amount of 10-80mol based on the aliphatic aldehyde and the catalyst is used in an amount of 0.07-0.30mol based on the aliphatic aldehyde. The reaction is carried out at 0-100 deg.C under normal atmospheric pressure to several atm pressure.
Patent JP-H08264965-A (JP)
Title: Leg structure of case
Inventor: NAGAO HIROYUKI
IPC: G09F9/00
Filed: 1995-03-20
Abstract: PURPOSE: To fit legs to a case in such a manner that they are easily detached from the case at need by a method wherein cuts are provided crosswise to the outer surface of the case, and the legs of elastic material are housed in a easing in a freely retractable manner. CONSTITUTION: When a case 1 is used as it is mounted on a mounting surface face, legs 3 are drawn out downwards from a guide section, a screw 4 is inserted into a through-hole of the leg 3 and a slit 1a of the case 1 when the projection of the leg 3 bears against a stopper, screwed into a threaded hole, and made to fasten the leg 3 inside a casing. When the case 1 is used as it is hung up on a wall or suspended from a ceiling, the screws 4 are unfastened to set the legs 3 free, the legs 3 are housed in the guide section, and the screws 4 are screwed into the threaded holes to fix the legs 3 inside the easing. Therefore, the legs 3 are housed and fixed inside the casing without using any special tools when the case 1 is used as it is hung on a wall. The legs 3 are easily drawn out and fastened when the case 1 is used as it is mounted on a mounting surface face.
Patent JP-H05262432-A (JP)
Title: Relative position detecting method for unloader
IPC: B65G67/60
Filed: 1992-03-17
Abstract: PURPOSE:To detect a relative position of an unloader to a ship always accurately. CONSTITUTION:An automatic tracking type distance sensor 21 is arranged in an unloader 6 to unload bulk materials 3 from a hold 2, and a reflector 21 arranged beforehand on board a ship is tracked automatically by means of the automatic tracking type distance sensor 21, so that a relative position of the unloader 6 to the vessel 1 can be detected according to a signal from this sensor 21.
Patent JP-H01238556-A (JP)
Title: Trans-hexahydroterephthalic acid ester derivative
Inventor: SATO HISATO
IPC: C07C67/00
Filed: 1988-03-16
Abstract: NEW MATERIAL:The trans-hexahydroterephthalic acid ester derivative of formula (R1 is 1-6C n-alkyl; R2 is halogen or cyano). EXAMPLE:trans-Hexahydroterephthalic acid 4-[(trans 4-n-propylcyclohexyl) phenol]-4-fluorophenol diester. USE:Useful as a liquid crystal or an additive for liquid crystal composition. When the compound is added to a liquid crystal composition, it depresses the melting point of the composition, increases the clear point, expands the liquid crystal range and gives a liquid crystal having excellent performance. PREPARATION:The compound of formula can be produced by successively or simultaneously reacting trans-hexahydroterephthalic acid or its derivative with a substituted phenol.
Patent JP-H04296506-A (JP)
Title: Manufacture of resin reinforced lumber
Inventor: YAMAMURA YUTAKA
IPC: B27K3/15
Filed: 1991-03-26
Abstract: PURPOSE:To provide a manufacture capable of expanding the range of uses by using jointly an antiseptic agent other than resin as an impregnant although conventionally resin reinforced lumber is made by a method wherein polymeric resin is injected into lumber through means of an atmospheric pressure steeping method or the like and then polymerically cured in the inner part of lumber, and since the antiseptic agent has nothing therein at all, it is employed, as use, as an interior material of building materials. CONSTITUTION:Polymeric resin liquid consisting of blending an emulsifying agent, polymerizing initiator, and pyroligneous acid into polymeric monomer or oligomer is impregnated into lumber, and ones obtained is polymerized by imperting heat &, light &, or other active energies, and thereby resin reinforced lumber is given mechanical strength as well as weatherability, thus enabling the using range of the lumber obtained to be extended to an exterior material of building materials.
Patent JP-H10250582-A (JP)
Title: Railroad crossing control device
Inventor: KATO TOSHIO
IPC: B61L29/00
Filed: 1997-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a railroad crossing control device which can secure an adequate crossing warning time, and can increase the crossing door opening time according the actual condition of each railroad crossing. SOLUTION: A control circuit 4 finds a passing estimating time Ta that a preceding vehicle 71 finishes to pass a blocked border P3, depending on the passing speed signal S3, the remaining distance L2, the actual passing time Tj up to this time, its time band Tt, and the like of the preceding vehicle; and the time band of the output time from the second detecting signal S2, and the like; when the second detecting signal S2 is output from the second vehicle detector 2, and when the adding time of the minimum crossing reaching time Tb that a following vehicle reaches to the crossing from a blocked section 4T, and the passing estimating time Ta, is longer than the minimum crossing warning time Ts, a crossing warning signal S4 is stopped for the time Tc of the difference.
Patent JP-H05262577-A (JP)
Title: Composite of ceramic and metal
IPC: B22F7/06
Filed: 1992-03-17
Abstract: PURPOSE:To obtain a composite material of ceramic and metal stably usable over a wide temperature range from room temperature to high temperature by fitting a ceramic material in a cast iron part having low thermal expansion coefficient. CONSTITUTION:The objective ceramic-metal composite material is produced by fitting a cast iron part having low thermal expansion coefficient to a ceramic material. Compressive stress is applied preferably to the ceramic material in the above composite material. The linear thermal expansion coefficient of the cast iron having low thermal expansion coefficient is preferably (3 to 5)X10<-6>/ deg.C between room temperature and 400 deg.C. The cast iron having low thermal expansion coefficient is preferably an alloy composed of 0.3-2.0wt.% of C, 25-32wt.% of Ni, 12-20wt.% of Co, 0.3-2.0wt.% of Si,0.2-0.8wt.% of Nb, 0.01-0.2wt.% of Mg or Ca, <=1.0wt.% of Mn and the remaining part of Fe and inevitable impurities.
Patent JP-S59185930-A (JP)
Title: Operation control circuit for dehumidifier
Inventor: TANAKA MASAAKI
IPC: F24F11/02
Filed: 1983-04-08
Abstract: PURPOSE:To provide a dehumidifier which can automatically select the operation mode of dehumidifying, air-blowing or ventilating by means of a combination of signals from outside air temperature sensing thermistor, room humidity sensor and outside humidity sensor. CONSTITUTION:The circuitry is made up such that a compressor motor 41 and an overloading protection device 42 of a dehumidifier 6 for a semibasement are connected to the power source via a relay 43, a blower motor 44 to the power source in parallel with said compressor motor 41, and a ventilation damper actuating motor 45 to position detection limit switches 46, 47 of a ventilation damper in series as well as to the power source in series via a relay 48. Said relays 43, 48 are opened or closed or switched by means of signals from a room humidity sensor 49, an outside humidity sensor 50 and an outside temperature sensing thermistor 51 to allow an automatic selection of operation mode of dehumidifying, air-blowing or ventilating based on a combination of the room humidity, outside humidity and outside temperature.
Patent JP-S51135619-A (JP)
Title: Playback equipment
Inventor: SUGITA AKIHISA
IPC: G11B20/02
Filed: 1975-05-20
Abstract: PURPOSE: To compensate dropout of a voice signal at playing back, by means of recording both signals, an orifinal voice signal and its delayed signal, in playback system of a voice signal accompanied with an image signal. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S60205829-A (JP)
Title: Production of magnetic recording medium
Inventor: OKITA TSUTOMU
IPC: G11B5/842
Filed: 1984-03-30
Abstract: PURPOSE:To improve a recording characteristic, etc. by coating a coating liquid consisting of a multifunctional acrylate compd. and an org. solvent within a specific b.p. range on a non-magnetic base having surface roughness of a specific value or above and drying the same then irradiating radiations thereto to provide an intermediate film and forming a magnetic layer thereon. CONSTITUTION:A coating liquid contg., for example, diethylene glycol diacrylate, trimethylol propane acrylate or the like contg. >=2 acryloyl or methacryloyl groups, an org. solvent having 50-120 deg.C b.p. under atm. pressure, for example, a solvent such as n-hexane, methyl ethyl ketone, ethyl acetate ester, etc. and if necessary contg. a thermoplastic resin such as a vinyl chloride/vinyl acetate copolymer or the like and having preferably <=100cp viscosity is coated on a non-magnetic base such as polyester or the like having 0.015mu center line average height defined by paragraph 5 of JIS-B0601 and is dried then radiations are irradiated thereto to provide an intermediate layer having good coatability and a leveling effect. A magnetic layer is provided thereon, by which the magnetic recording medium having an excellent surface characteristic, joinability with the base, good runnability and winding style and excellent video sensitivity and C/N is obtd.
Patent JP-S60206118-A (JP)
Title: Tank for oil-immersed electric apparatus
Inventor: YAMAGUCHI SHIYOUYUU
IPC: H01F27/02
Filed: 1984-03-30
Abstract: PURPOSE:To improve productivity as well as to increase the strength of the junction part between the frame of corrugated ribs and the upper and the lower frames of a tank by a method wherein an almost delta-shaped vacant space is provided at the base part of the upper and the lower end parts, and a corrugated rib is connected by welding to the other rigid member which is inserted into the vacant space. CONSTITUTION:As a procedure of welding, rigid members 11 are inserted one by one into the vacant space 8 located at the base part when a welding work is going to be performed on the upper and the lower parts 2a of a corrugated rib, the rigid members 11 and corrugated ribs 2 are oil-tightly coupled, and the vacant space 8 is filled up in such a manner that the end part of tank side plates 2 will be uniformly arranged on a line. As this welding work is performed under the conditon wherein the greater part of the vacant space is filled up by the rigid members 11, a complete welding can be performed easily without requiring a high degree of technique and skill. Also, using an automatic welding device to be exclusively used for this welding, the insertion of the rigid members 11 and the welding of end parts can be performed in a fully-automatic manner contimuously. After the welding of the end part of the corrugated rib has been finished, a welding work is performed on the tank side plate 3 and the upper and the lower frames 4 and 5. At this time, as the vacant space 8 is completely filled up, an accurate and complete welding can be accomplished by performing a simple work wherein a welding torch is moved at a fixed speed along the end part of the tank side plate 3.
Patent JP-H09257928-A (JP)
Title: Weather radar equipment
Inventor: HARADA HIROSUKE
IPC: G01S7/40
Filed: 1996-03-18
Abstract: PROBLEM TO BE SOLVED: To obtain an accurate observation data by providing an auxiliary antenna receiving a pilot signal, system gain compensating means, and the like. SOLUTION: The water or moisture film generated on the surface of radome 1 at the time of rainfall attenuates transmission and reception signals from and to the radome 1. By use of the characteristic a pilot signal is transmitted from an antenna 2 and an auxiliary antenna 11 receives it, however, the reception power varies only by the attenuated quantity by the film at the time of fair and rainy conditions. The difference of reception power between the fair time and rainy time is recorded for correcting the system gain of radar means, thereby ensuring the intensity of power for accurate reception.
Patent JP-H05236389-A (JP)
Title: Tv receiver
Inventor: SAITO MITSUMASA
IPC: H04N5/60
Filed: 1992-02-18
Abstract: PURPOSE:To automatically perform an easy-to-hear speech-equalizing process corresponding to respective stereophonic, bilingual, and monaural modes, etc., by the TV receiver equipped with a speech signal processing part corresponding to the respective modes. CONSTITUTION:A speech mode-detecting means and a speech frequency characteristic-varying means are provided in the speech signal-processing part; and a speech mode-detecting means detects a new speech mode (F10) each time the speech mode of a reception channel changes and automatically varies the audio frequency characteristics of the speech frequency characteristic-varying means to perform a stereophonic process (F20) for the stereophonic mode, a monaural process (F30) for the monaural mode, or a bilingual process (F40) for the bilingual mode.
Patent JP-H01234433-A (JP)
Title: Formed material of porous liquid-crystalline polymeric substance and production thereof
Inventor: KIYOUTANI MICHIYUKI
IPC: B29C48/305
Filed: 1988-03-15
Abstract: PURPOSE:To obtain the subject formed material containing elongated cavities between fibrils and composed of aggregate of fibrils oriented in one direction, by mixing a self-orientable liquid crystal polymeric substance with a non-liquid crystal polymeric substance soluble in a solvent, extrusion molding the mixture and extracting the non-liquid crystal polymeric substance from the extrudate. CONSTITUTION:A self-orientable liquid crystal polymeric substance (preferably thermotropic liquid crystal polyester) is mixed with a non-liquid crystal polymeric substance (preferably polyethylene terephthalate) soluble in a solvent (e.g., trifluoroacetic acid) at a weight ratio of 70:30-40:60, the mixture is extrusion molded and the non-liquid crystal polymeric substance is extracted with a solvent to obtain the objective formed material containing elongated cavities (preferably having a width of 0.3-5mum) between fibrils, composed of aggregate of fibrils oriented in one direction, preferably having a gas-permeability of 20-1sec/100ml and suitable especially for hot-gas filter.
Patent JP-S57176325-A (JP)
Title: Gas turbine control equipment
Inventor: TANI YUKISUMI
IPC: F02C9/28
Filed: 1981-04-24
Abstract: PURPOSE:To make it possible to smoothly change over complex kinds of control elements to be bumpless, in a control equipment which provides complex kinds of fuel controlling electrical signals, such as a gas turbine. CONSTITUTION:Deviation in the exhaust temperature, namely output from a subtractor 4 is given as input to an exhaust temperature control proportional integrator 9, and ordinarily it is swung off on (+) side. Besides, deviation in the velocity, namely output from a subtractor 7 is given as input to a velocity control proportional integrator 11, and it is controlled by means of output from a main arithmetic unit at the time of controlling the load. Output from the proportional integrators 9, 11 is given as input to a minimum value selector 12, by which value a fuel flow regulating valve 14 is controlled, and a gas turbine is controlled. The deviation in the exhaust temperature, namely output from the subtractor 4 is set on a exhaust temperature deviation monitor 8, and when it is to be (+), output from the minimum value selector 12 is returned as tie-back signals 13 to the exhaust temperature control proportional integrator 9, and when it is to be (-), the tie-back is removed, and it is changed over to the exhaust temperature control bumplessly by automatizing the proportional integrators by means of the exhaust temperature deviation.
Patent JP-S60204834-A (JP)
Title: Method for hardening cam part of cam shaft by remelting
Inventor: SAGA NORIHIKO
IPC: C21D9/30
Filed: 1984-03-28
Abstract: PURPOSE:To obtain a cam shaft having superior journal characteristics without increasing the number of stages by preheating the cam parts of a cast cam shaft by making use of heat generated during the hardening of the journal parts before the cam parts are hardened by remelting. CONSTITUTION:The journal parts J1-J5 of a cast cam shaft are heated to the hardening temp. or remelted with a high energy heat source such as plasma TIG or laser beams. The cam parts C1-C12 of the cam shaft are preheated by making use of heat generated during the heating or remelting. The cam parts C1-C12 are then remelted with a high energy heat source and quenched to form chilled layers on the surfaces of the cam parts C1-C12.
Patent JP-S58178360-A (JP)
Title: Manufacture of electrophotographic receptor
Inventor: KUBO TAKASHI
IPC: G03G5/00
Filed: 1982-04-13
Abstract: PURPOSE:To shorten a time required for processing a photoreceptor, and to produce a high quality electrophotographic receptor with high productivity, by heating a coating material applied to the surface of a cylindrical substrate from the inside and the outside of the substrate to dry it. CONSTITUTION:A cylindrical substrate 3 coated on its surface with a coating material for forming a photoreceptor is placed on a stand 4, and said material is dried from the inside of the substrate 3 by blowing hot air supplied through a hot air pipe 5 from the openings 2 of an inside heating cylinder 1 (inside drying). The outside of the substrate 3 is dried in combination by using a hot air oven or an IR drying oven conventionally used, thus enhancing drying efficiency by using the both side drying method. As the temp. conditions, when each of the two drying methods is used alone, the inside drying method is set to temp. of the surface of the coated layer higher than that of the outside drying method.
Patent JP-H04295200-A (JP)
Title: Blower impeller
Inventor: SANO KIYOSHI
IPC: F04D29/02
Filed: 1991-03-26
Abstract: PURPOSE:To prevent the occurrence of deformation by shrinking a porous material part in a mold owing to a compression force exerted on the porous material part when a non-porous material part is injection-molded in a mold. CONSTITUTION:A porous material having a number of continuous air holes extending through the pressure surface side 7c and the negative pressure surface side 7d of a blade is used for a partial range except outer peripheral edge parts 6a and 6b of a plurality of blades of which the impeller of a blower is composed, non-porous synthetic resin is used for a remaining part containing an outer peripheral edge part, and the two parts form integrally molded structure. A pin 11 to hold and position a porous material part in a mold 10 is provided and a porous material part fixed in the mold 10 can be compressed and fixed on a plane part 7f in the vicinity of the outer peripheral edge of the porous material part 7 and in the mold 10.
Patent JP-H09227628-A (JP)
Title: Diene rubber
Inventor: NAKAMURA MASAO
IPC: C08F4/48
Filed: 1996-02-23
Abstract: PROBLEM TO BE SOLVED: To produce a diene rubber reduced in the heat build-up serving as an index of rolling resistance and in the characteristics such as tensile strength and abrasion resistance and to provide a production process therefor and a rubber compsn. contg. the same. SOLUTION: This diene rubber is a polymer of a conjugated diene or a copolymer of a conjugated diene and an arom. vinyl compd., in which at least one molecular end has a quaternary ammonium group having four carbon atoms attached thereto and which has an arom. vinyl content of 60wt.% or lower, a ratio of vinyl bonds in conjugated diene units of 10% or higher, and a wt.- average mol.wt. (Mw) of 100,000-2,000,000.
Patent JP-H02243294-A (JP)
Title: Dividing device for substrate
Inventor: KUWAJIMA SHINJI
IPC: B26D7/01
Filed: 1989-03-14
Abstract: PURPOSE:To automatically divide a substrate at a dividing position by constituting a device in such a way that a carrying belt is pressed when one dividing mold comes close to the other dividing mold so that the substrate is rested on the dividing mold, and furthermore the substrate is thereby positioned at a specified position by a positioning means. CONSTITUTION:When a substrate 25 is fed by a carrying belt 31 so as to be moved to a dividing position, one dividing mold 1 presses the carrying belt 31 to the other dividing mold 12 side, the substrate 25 is concurrently rested on the other dividing mold 12 so that the substrate 25 is positioned at a specified position by a positioning means 23. Under the condition, the substrate 25 is divided by means of paired dividing molds 11 and 12.